Soil Convervation in Tropical Africa. Indian Forester, [S. l.], v. 64, n. 6, p. 371–374, 1938. DOI: 10.36808/if/1938/v64i6/21430. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/21430. Acesso em: 26 dec. 2025.